http://protonmailrmez3lotccipshtkleegetolb73fuirgj7r4o4vfu7ozyd.onion/blog/why-you-need-private-email-service
With private email, you can feel free to say and be who you want without fearing how Big Tech data collection may profile you. You can also share whatever intimate and private details you like with who you like — a friend, your doctor, your mom, or a lover — like a sealed letter.